The abundance of life on these outer islands supports the emerging idea that there will be refugia of coral survival and recovery dotting the planet as we face an increasingly difficult ocean climate
for reef ecosystems.
«As humans continue to pump greenhouse gases into the atmosphere, the climate is once again on the threshold of a new regime, with dire consequences
for reef ecosystems unless we get control of climate change,» said coauthor Richard Aronson, a biology professor at Florida Institute of Technology.
«The concept of «maintaining ecological function» refers to the balance of ecological processes necessary
for the reef ecosystem as a whole to persist, but perhaps in a different form,» a spokesperson for Great Barrier Reef Marine Park Authority explained, «noting the composition and structure may differ from what is currently seen today.»
«The concept of «maintaining ecological function» refers to the balance of ecological processes necessary
for the reef ecosystem as a whole to persist, but perhaps in a different form, noting the composition and structure may differ from what is currently seen today,» a spokeswoman for the Great Barrier Reef Marine Park Authority explained.
Not exact matches
We're the custodians of the
reef and its
ecosystem for the world,» he told Adam Morton at The Sydney Morning Herald.
The report asks if MCEs can provide a refuge
for the species under threat in shallower
reef ecosystems and whether they can provide the stock to re-populate shallow
reefs if they continue to decline.
Mesophotic coral
ecosystems — A lifeboat
for coral
reefs?
«Our modeling results suggest that the physical aspects of the kelp — its sheer size and its presence, the shade that it casts, its effect on flow and the habitat it provides
for predators — affect the
reef ecosystem more than its productivity,» Miller said.
«Representation,»
for example, is one large - scale strategy, focused on preserving representative areas of every identifiable
ecosystem, such as savannah, tropical moist forest, tundra, desert, coral
reef.
What happens to coral
reefs affects vast underwater
ecosystems, and the hundreds of millions of people who depend on those
ecosystems for fishing, tourism and more.
The initial motivation
for studying deep -
reef ecosystems was the declining health of shallow
reefs.
WCS has been working in the northwest of Madagascar
for over 10 years to create marine protected areas to protect marine turtles and other important marine
ecosystems and species including coral
reefs, seagrasses, dugongs and sharks and rays.
The long - term geological record reveals an early Cenozoic warm climate that supported smaller polar
ecosystems, few coral - algal
reefs, expanded shallow - water platforms, longer food chains with less energy
for top predators, and a less oxygenated ocean than today.
Co-author Matthew Spencer, who conducted the study while a sabbatical visitor at NIMBioS, said that the findings are not only important
for predicting
reef futures under climate change but could also be applied to other
ecosystems.
The findings show striking similarities between the aesthetic score produced
for random
reef images and the health of the respective
reef ecosystem as evaluated by
reef scientists.
New international research led by PhD student Laura Richardson of the ARC Centre of Excellence
for Coral
Reef Studies at James Cook University reveals that coral bleaching events not only whitewash corals, but can also reduce the variety of fish occupying these highly - valued
ecosystems.
Implications
for ecosystems and the species that inhabit them include disruptions to beaches, coastal vegetation and
reefs; ocean - going birds and transoceanic migrants also could be affected.
Although the practice holds promise
for rescuing or resurrecting damaged
reefs, there are concerns about unintended consequences such as introduction of disease or disruption of
ecosystems.
Seagrass beds, like coral
reefs, form a highly productive and diverse
ecosystem, acting as the nursery
for many kinds of fish as well as a home to sea turtles, manatees, birds, and a host of other sea creatures.
These research findings have implications
for the scientific understanding of fragile coral
reef ecosystems as well as
for the ecological significance of grey
reef sharks.
The researchers emphasize that both protection and recovery of the world's coral
reefs call
for a fundamental change in how people interact with and use
reef ecosystems.
Large ones provide
ecosystem services such as filtering seawater, recycling nutrients on
reefs and providing habitat
for other species, and are estimated to be able to live
for more than 2300 years.
New research on tropical coral
reef ecosystems showed that releasing larvae more often is beneficial
for a species» network.
The study may pave a way
for global restoration of the rich coral
reef ecosystems that are suffering.
The scientists say these findings reinforce the need
for assessing the risk of a wide - scale collapse of
reef ecosystems, especially if global action on climate change fails to limit warming to 1.5?
Predatory fish are extremely important
for maintaining a balanced
ecosystem on the Great Barrier
Reef.
«Predatory fish are extremely important
for maintaining a balanced
ecosystem on the
reef, yet predators such as coral trout, snapper and emperor fish remain the main target
for both recreational and commercial fishers,» she says.
When it reached the Cozumel
reefs in 2009, its voracious appetite
for more than 50 fish species made it a threat to the local
ecosystem.
Professor Connolly explains that it's often the really abundant species that deliver substantial
ecosystem services like providing habitat
for fishes, or keeping
reefs clear of seaweeds.
«This research underscores the necessity
for future coastal developments to consider the adverse effects of sediment on fish and
reef ecosystems,» adds Dr Wenger.
The aim — and what sets such assisted colonisation aside from zoos — is to move species into existing complex
ecosystems, and to even transplant whole ecological communities where appropriate,
for example by moving fish and invertebrates to artificial coral
reefs.
The analysis showed that acidic waters make it impossible
for marine cement — limestone that precipitates out of the seawater as it flows against the coral
reef — to form both between individual coral polyps as well as to anchor the entire
reef ecosystem against the waves.
Mesophotic
reef coral
ecosystems are thought to be extremely important
for reef resiliency.
Coral
reefs, kelp forests and other marine
ecosystems may be tougher than we give them credit
for, a new study suggests.
• The fish biomass threshold
for a collapsed
reef — overfished to the point of nearly total
ecosystem failure — is 100 kilograms per hectare.
• The models generated time estimates needed
for both unregulated and partially regulated coral
reef fisheries to recovery; a moderately fished coral
reef system can recover within approximately 35 years on average, while the most depleted
ecosystems may take as long as 59 years with adequate protection.
This and Nedimyer's coral farms could help Florida's unique marine
ecosystems adapt more quickly to human - created threats, setting an example
for other coral -
reef restoration projects around the planet.
Researchers at the Moorea site have been active in developing the cyberinfrastructure
for a sensor network that would provide real - time environmental data to enable better management of the
reef ecosystem.
Scientists warn time is running out to save
ecosystem as survey shows
reef has been hit by mass bleaching
for a second year in a row.
Scott has recently taken up an adjunct research position at the Centre
for Tropical Water and Aquatic
Ecosystem Research, James Cook University where he is currently: (i) investigating the importance of enhanced larval survival and strong «local»
reef interconnectedness as a triggering agent
for primary outbreaks of crown ‐ of ‐ thorns starfish on the central GBR, and (ii) assessing potential improvements in the health of coastal seagrass and dependent dugong populations due to targeted reductions in fine sediment loads from the GBR catchment.
He is interested in the distribution and diversity of form and function in
reef - building corals, including what they do
for ecosystems, and why they exist in the states that they do.
Writing Wednesday in the journal Nature, researchers have,
for the first time, altered the acidity of a small section of a natural coral
reef ecosystem to mimic conditions
reefs will experience later this century.
In Israel, David will be researching the evolution, age, and past sea level history of submerged fossil terraces in the Gulf of Aqaba, which form the basis
for the Israel's critical modern mesophotic coral
reef ecosystems.
The research establishes proof - of - concept
for the idea that setting aside networks of marine reserves within a larger managed
ecosystem like the Great Barrier
Reef Marine Park, can simultaneously provide significant fishery and conservation benefits.
Evidence suggests that raised temperatures may also be deleterious to coral larvae (the dispersive life stage), which are crucial
for recruitment and replenishment in coral
reef ecosystems.
Coral
reefs provide an important
ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income
for millions of people.
A modeling - based study by Australian government scientists has tracked ocean acidification
for the first time through all of the thousands of
reefs comprising the psychedelic
ecosystem, which is home to fish, sharks, dolphins and dugongs.
Hosted by the ARC Centre of Excellence
for Coral
Reef Studies, the symposium will feature talks by more than 30 eminent coral reef and fish scientists on the future of these vital marine ecosystems and the industries and communities which depend on t
Reef Studies, the symposium will feature talks by more than 30 eminent coral
reef and fish scientists on the future of these vital marine ecosystems and the industries and communities which depend on t
reef and fish scientists on the future of these vital marine
ecosystems and the industries and communities which depend on them.
Over a million species, most not yet described [119], are estimated to populate coral
reef ecosystems generating crucial
ecosystem services
for at least 500 million people in tropical coastal areas.
There are marine plants near the coastal areas — kelp,
for example — as well as coral
reefs that serve as rich
ecosystems for all sorts of coral, fish...